From mboxrd@z Thu Jan 1 00:00:00 1970 From: raptorsds@googlemail.com (raptorsds) Date: Sat, 27 May 2017 20:06:18 +0200 Subject: Testing. In-Reply-To: References: <743c82c3-52af-bcdb-b45a-d392cda08fb6@o2online.de> <4ce994ac-9272-ccec-8dd0-6698ce35f289@googlemail.com> Message-ID: To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org Am 27.05.2017 um 18:08 schrieb Martin Blumenstingl: > On Sat, May 27, 2017 at 4:57 PM, raptorsds wrote: >> Hi Martin >> >>> Hi Tobias, >>> >>> On Thu, May 25, 2017 at 8:35 PM, Tobias Baumann >>> <017623705678@o2online.de> wrote: >>>> hi martin >>>> >>>> oleg (balbes150) from armbian forum told me you could need some help >>>> >>>> iam new to linux but i can test images and files for you >>>> >>>> my system OTT M8S Clone TVBox with S812 8GBRom 2GB RAM RTL8723BS WIFI BT >>>> Combo HDMI 2xUSB >>>> >>>> ( run as server for USB Printer and Sane server for canon scanner) >>>> >>>> at the moment i use the armbian unbuntu rom from oleg with 3.10.99 kernel >>>> (14 04 2017 ) with working wifi usb and internet also i could run a >>>> successful test the 4.11 kernel >>> disclaimer: I cannot really help with Amlogic's 3.10/3.14 kernel >> >> But maybe than i can help by 4.11 kernel test for older devices > you need to be aware of the fact that my kernel patches are experimental. > what you get is: > - one CPU core at the frequency set by the bootloader > - maybe USB (Oleg has problems with it while it works for me) > - maybe ethernet (again, Oleg has problems while it works for me) > - SD card > - front LED > > basically everything else is broken (wifi, CPU cores 2-4, cpu frequency > scaling, etc.). I even managed to corrupt u-boot when I was testing my > NAND driver. > > what "older" devices do you have? and do you have access to the serial > console of these devices? Yes Serial console only my s812 box , >>>> my project now is to control the front LED >>> what are you trying to control exactly? >> >> red = stop >> blue = boot/start >> red/blue (maybe dimming) = run >> blinking = update (maybe) > let me explain how where the LED is controlled currently: > - red LED turns on automatically (probably because it's wired to VCC) > when the device is powered on > - u-boot turns on the blue LED > - (kernel boots) > - the kernel can now control the LED partially (as explained in my > previous mail, you can only set the "mix" between red and blue - you > can't turn it off) > > so with another kernel you can only change the LED color from the > point on where the kernel is started. you'll have no control over it > (without additional work on the u-boot side) for the first seconds > after powering on the device. ok thank you for your explanation , it would be great when after kernelk boot (maybe inside rc.local) the LED will have a color change >>>> but there is a problem oleg send my the dts for led but without gpio . >>> my m8s.dts doesn't use a GPIO because the LED is connected to >>> GPIO_TEST_N which can also be controlled by one of the PWM controllers >>> (this allows dimming the LED to a certain level, but in my case the >>> LED is a dual-color LED with blue and red: the further you reduce the >>> brightness of the (blue) LED the more you see of the red one -> if you >>> turn off the blue LED it turns red) >> >> I though " GPIO_TEST_N " was a placeholder . I havent any trigger at >> /sys/class/leds , how can i controll PWM for LED > are you testing this on a 3.10/3.14 kernel or on a kernel with my > patches? I think the Amlogic kernel does not use the kernel's LED > framework, so the LEDs are not exposed in /sys/class/leds > if it's one of my kernels (I think Oleg has compiled some images with > them) then please post the kernel log (dmesg) yes i use 3.10.99 kernel from the image from oleg with a dtb files with your Led infos about "gpio test n" i also found a older info about system LED https://lists.freebsd.org/pipermail/freebsd-arm/2015-February/010126.html there is a info about gpio ao 13 i send you a private mail with my dmesg with oleg dts file with led line >>>> maybe you can assist >>>> >>>> thanks Tobias >>>> >>>> PS: i am from Germany so i am more comfortable and faster in german >>>> >>>> >>>> --- >>>> Diese E-Mail wurde von Avast Antivirus-Software auf Viren gepr?ft. >>>> https://www.avast.com/antivirus >>>> >>>> >>>> >>>> _______________________________________________ >>>> linux-amlogic mailing list >>>> linux-amlogic at lists.infradead.org >>>> http://lists.infradead.org/mailman/listinfo/linux-amlogic >>> _______________________________________________ >>> linux-amlogic mailing list >>> linux-amlogic at lists.infradead.org >>> http://lists.infradead.org/mailman/listinfo/linux-amlogic >>